In the diagram, ∆XYZ is similar to ∆PRQ, |XY| = 5cm, |XZ| =3.5cm and |PR| = 8cm. Find |PQ|

  • A 5.6 cm
  • B 11.2cm
  • C 11.4cm
  • D 28.0cm
waec 2004mathematics

The correct answer is A. 5.6 cm

\(\frac{PQ}{PR}=\frac{XZ}{XY}; \frac{PQ}{8}=\frac{3.5}{5}\\

PQ=\frac{8\times 3.5}{5}=\frac{28}{5}=5.6cm\)

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